Efficient solution route to transparent ZnO semiconductor films using colloidal nanocrystals

Satoshi Suehiro, Keisuke Horita, Azzah Dyah Pramata, Masayoshi Yuasa, Yoichi Ishiwata, Kengo Shimanoe, Tetsuya Kida

Research output: Contribution to journalArticlepeer-review

10 Citations (Scopus)


ZnO nanocrystals (NCs) were synthesized by heating Zn (II) acetylacetonate in oleic acid/oleylamine in the presence of 1,2-hexadecanediol at 220 °C. Transmission electron microscopy (TEM) and dynamic light scattering (DLS) measurements revealed the formation of monodispersed ZnO NCs of ca. 7 nm. ZnO NC assembled films were fabricated on a glass substrate by deposition with the colloidal ZnO NCs dispersed in toluene. The film composed of the NCs showed good optical transparency in the visible to near-infrared region. A device coupling the ZnO NC film with a p-type Cu 2 ZnSnS 4 (CZTS) NC film exhibited an obvious diode-like current–voltage behavior. The results suggest that the transparent ZnO film has a potentiality to be used for an n-type window layer in some optoelectronic applications.

Original languageEnglish
Pages (from-to)319-323
Number of pages5
JournalJournal of Asian Ceramic Societies
Issue number3
Publication statusPublished - Sept 1 2016

All Science Journal Classification (ASJC) codes

  • Ceramics and Composites


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